"Since May of 2015, the U.S. Department of Transportation’s Federal Aviation Administration (FAA) has been beta testing a new smartphone app called B4UFLY (pronounced 'before you fly'). It’s a portable resource that helps aerial photographers and other drone pilots stay up to date on where it’s safe and legal to fly.

"While there are a number of third-party apps out there (e.g. AirMap and Don’t Fly Drones Here), B4UFLY is an official app of the FAA."